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392 research outcomes, page 3 of 40
  • publication . Preprint . Article . 2018
    Open Access English
    Authors:
    Stanislav I. Maslovski; Hugo R. L. Ferreira; Iurii O. Medvedev; Nuno G. B. Brás;
    Project: FCT | UID/EEA/50008/2013 (147328)

    Comment: 20 pages, 10 figures; article restructured, numerical results updated

  • publication . Conference object . 2018
    Open Access English
    Authors:
    Emanuel Teixeira; Fernando J. Velez;
    Publisher: Institute of Electrical and Electronics Engineers
    Project: FCT | UID/EEA/50008/2013 (147328)

    In this work, we identify and discuss the potentialities of mobile cellular communications in the millimetre wavebands, showing that very high bit/data rates can be supported in small cells with short-range coverage. We study the behaviour of the carrier-to-noise-plus-i...

  • publication . Conference object . 2017
    Open Access English
    Authors:
    Perre, Ana Catarina; Alexandre, Luís; Freire, Luís;
    Project: FCT | UID/EEA/50008/2013 (147328)

    In order to improve the performance of Convolutional Neural Networks (CNN) in the classification of mammographic images, many researchers choose to apply a normalization method during the pre-processing stage. In this work, we aim to assess the impact of six different n...

  • publication . Conference object . Part of book or chapter of book . 2017
    Open Access English
    Authors:
    Tomic, Slavisa; Beko, Marko; Dinis, Rui; Tuba, Milan; Bacanin, Nebojsa;
    Publisher: HAL CCSD
    Project: FCT | SFRH/BD/91126/2012 (SFRH/BD/91126/2012), FCT | UID/EEA/50008/2013 (147328)

    Part 9: Distributed Infrastructure; International audience; This paper addresses the target tracking problem, by extracting received signal strength (RSS) and angle of arrival (AoA) information from the received radio signal, in the case where the target transmit power ...

  • publication . Conference object . 2017
    Open Access English
    Authors:
    Filipe M. Barradas; Telmo R. Cunha; Pedro M. Cabral; Jose C. Pedro;
    Publisher: IEEE
    Project: FCT | UID/EEA/50008/2013 (147328)

    Modern transmitter architectures rely on multi input multi output (MIMO) techniques, using several radio-frequency (RF) power amplifiers (PAs) to excite an antenna array. The array elements are often coupled, creating apparent variable loads at the output of each PA. In...

  • publication . Article . Other literature type . 2018
    Open Access English
    Authors:
    Paulo de Araújo; Raimir Filho; Joel Rodrigues; João Oliveira; Stephanie Braga;
    Publisher: MDPI AG
    Project: FCT | UID/EEA/50008/2013 (147328)

    At present, the standardisation of electrical equipment communications is on the rise. In particular, manufacturers are releasing equipment for the smart grid endowed with communication protocols such as DNP3, IEC 61850, and MODBUS. However, there are legacy equipment o...

  • publication . Master thesis . 2018
    Open Access Portuguese
    Authors:
    Santos, Rui Miguel da Silva;
    Project: FCT | UID/EEA/50008/2013 (147328)

    A utilização de aplicações com o intuito de realizar um reconhecimento de áudio tem crescido nos últimos tempos. Uma das aplicações mais reconhecidas, neste momento, é o Shazam que tem como objetivo o reconhecimento de músicas. Nesta é possível, ao realizar uma captura ...

  • publication . Doctoral thesis . 2017
    Open Access English
    Authors:
    André Manuel Longo Moreira;
    Project: FCT | PTDC/EEI-TEL/3006/2012 (129084), FCT | SFRH/BD/81726/2011 (SFRH/BD/81726/2011), FCT | UID/EEA/50008/2013 (147328)
  • publication . Preprint . Conference object . 2015
    Open Access English
    Authors:
    Daniel Fernández-González; André F. T. Martins;
    Project: FCT | UID/EEA/50008/2013 (147328)

    We reduce phrase-representation parsing to dependency parsing. Our reduction is grounded on a new intermediate representation, "head-ordered dependency trees", shown to be isomorphic to constituent trees. By encoding order information in the dependency labels, we show t...

  • publication . Article . Other literature type . 2019
    Open Access English
    Authors:
    de Sousa, Amaro; Gomes, Teresa; Girão-Silva, Rita; Martins, Lúcia;
    Publisher: Elsevier
    Project: FCT | UID/EEA/50008/2013 (147328), FCT | UID/Multi/00308/2013 (147388)

    Abstract Telecommunication networks are a critical infrastructure of our society. Wide area backbone communication networks are based on optical networks, where each fiber has a very large capacity. These networks must offer high end-to-end availability and a high resil...

392 research outcomes, page 3 of 40
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